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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef SHERLOCK_IMAGE_FILE_H
#define SHERLOCK_IMAGE_FILE_H
#include "common/array.h"
#include "common/file.h"
#include "common/hashmap.h"
#include "common/hash-str.h"
#include "common/rect.h"
#include "common/str.h"
#include "common/stream.h"
#include "graphics/surface.h"
namespace Sherlock {
class SherlockEngine;
struct ImageFrame {
uint32 _size;
uint16 _width, _height;
int _paletteBase;
bool _rleEncoded;
Common::Point _offset;
byte _rleMarker;
Graphics::Surface _frame;
/**
* Converts an ImageFrame record to a surface for convenience in passing to drawing methods
*/
operator const Graphics::Surface &() { return _frame; }
/**
* Decompress a single frame for the sprite
*/
void decompressFrame(const byte *src, bool isRoseTattoo);
/**
* Return the frame width adjusted by a specified scale amount
*/
int sDrawXSize(int scaleVal) const;
/**
* Return the frame height adjusted by a specified scale amount
*/
int sDrawYSize(int scaleVal) const;
/**
* Return the frame offset x adjusted by a specified scale amount
*/
int sDrawXOffset(int scaleVal) const;
/**
* Return the frame offset y adjusted by a specified scale amount
*/
int sDrawYOffset(int scaleVal) const;
};
class ImageFile : public Common::Array<ImageFrame> {
private:
static SherlockEngine *_vm;
/**
* Load the data of the sprite
*/
void load(Common::SeekableReadStream &stream, bool skipPalette, bool animImages);
/**
* Gets the palette at the start of the sprite file
*/
void loadPalette(Common::SeekableReadStream &stream);
public:
byte _palette[256 * 3];
public:
ImageFile();
ImageFile(const Common::String &name, bool skipPal = false, bool animImages = false);
ImageFile(Common::SeekableReadStream &stream, bool skipPal = false);
virtual ~ImageFile();
static void setVm(SherlockEngine *vm);
};
enum ImageFile3DOType {
kImageFile3DOType_Animation = 0,
kImageFile3DOType_Cel = 1,
kImageFile3DOType_CelAnimation = 2,
kImageFile3DOType_RoomFormat = 3,
kImageFile3DOType_Font = 4
};
struct ImageFile3DOPixelLookupTable {
uint16 pixelColor[256];
};
class ImageFile3DO : public ImageFile { // Common::Array<ImageFrame> {
private:
static SherlockEngine *_vm;
/**
* Load the data of the sprite
*/
void load(Common::SeekableReadStream &stream, bool isRoomData);
/**
* convert pixel RGB values from RGB555 to RGB565
*/
inline uint16 convertPixel(uint16 pixel3DO);
/**
* Load 3DO cel file
*/
void load3DOCelFile(Common::SeekableReadStream &stream);
/**
* Load 3DO cel data (room file format)
*/
void load3DOCelRoomData(Common::SeekableReadStream &stream);
inline uint16 celGetBits(const byte *&dataPtr, byte bitCount, byte &dataBitsLeft);
/**
* Decompress a single frame of a 3DO cel file
*/
void decompress3DOCelFrame(ImageFrame &frame, const byte *dataPtr, uint32 dataSize, byte bitsPerPixel, ImageFile3DOPixelLookupTable *pixelLookupTable);
/**
* Load animation graphics file
*/
void loadAnimationFile(Common::SeekableReadStream &stream);
/**
* Load Sherlock Holmes 3DO font file
*/
void loadFont(Common::SeekableReadStream &stream);
public:
ImageFile3DO(const Common::String &name, ImageFile3DOType imageFile3DOType);
ImageFile3DO(Common::SeekableReadStream &stream, bool isRoomData = false);
static void setVm(SherlockEngine *vm);
};
#define STREAMING_BUFFER_SIZE 65536
class StreamingImageFile {
private:
int _frameNumber;
Common::SeekableReadStream *_stream;
byte _buffer[STREAMING_BUFFER_SIZE];
bool _compressed;
bool _active;
public:
ImageFrame _imageFrame;
Common::Point _position; // Animation position
Common::Rect _oldBounds; // Bounds of previous frame
Common::Rect _removeBounds; // Remove area for just drawn frame
int _flags; // Flags
int _scaleVal; // Specifies the scale amount
int _zPlacement; // Used by doBgAnim for determining Z order
public:
StreamingImageFile();
~StreamingImageFile();
/**
* Initialize reading of the specified stream
*/
void load(Common::SeekableReadStream *stream, bool compressed);
/**
* Close the streamining image file
*/
void close();
/**
* Get the next frame of the file
*/
bool getNextFrame();
/**
* Returns whether there are any remaining frames or not
*/
bool active() const { return _active; }
/**
* Return the current frame number
*/
int frameNumber() const { return _frameNumber; }
};
} // End of namespace Sherlock
#endif
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